20802387 (number)

20802387 is an odd 8-digits composite number following 20802386 and preceding 20802388. In scientific notation, it is written as 2.0802387 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13868256 positive integers (up to 20802387) that are relatively prime to 20802387.

Interesting facts

Basic properties

Name

Name twenty million eight hundred two thousand three hundred eighty-seven

Notation

Scientific notation 2.0802387 × 10^7
Engineering notation 2.0802387 × 10^6

Prime Factorization of 20802387

Prime Factorization 3 × 6934129

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20802387
Product of the distinct prime numbers

The prime factorization of 20802387 is 3 × 6934129. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20802387)

Multiplication

n×y
n×2 41604774
n×3 62407161
n×4 83209548
n×5 104011935

Division

n÷y
n÷2 10401193.5
n÷3 6934129
n÷3 5200596.75
n÷5 4160477.4

Exponentiation

ny
n2 432739304897769
n3 9.0020104905944E+21
n4 1.872633060034E+29
n5 3.8955237623822E+36

Nth Root

y√n
2√n 4560.9633850756
3√n 275.02429317071
4√n 67.534904938673
5√n 29.081890461376

Divisors of 20802387

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20802386
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20802387 can be divided by 4 positive divisors. The sum of these divisors (counting 20802387) is 1, the average is 0.25.

Base conversion 20802387

Base System Value
2 Binary 1001111010110101101010011
3 Ternary 1110010212111210
4 Quaternary 1033112231103
5 Quinary 20311134022
6 Senary 2021511203
8 Octal 117265523
10 Decimal 20802387
12 Duodecimal 6b72503
16 Hexadecimal 13d6b53
20 Vigesimal 6a05j7
36 Base36 cdv83

Cryptographic Hash Functions

md5 d1141205c8c333c341cbaa22b66a19c1
sha1 810845b1e11b9cce195645428e8baca252e5c0be
sha256 148c5306198544ed92aa52946ec51e8a7a2c1d93104013cf91964c1a5144ec0b
sha512 b710258bc90b1418def9198d1d2bb2f606616ba112c13633f8719f2fdeb906a9c110ec9d62b2f70209aeaaec70530676b95c31652d1765d3f514c4f4a4989bfb
ripemd-160 63fdf22ef35b5f633b39fcff95d8d05034d1a80a

20802387 as geometric shapes

Circle

Radius = n
Diameter 41604774
Circumference 130705252.35266
Area 1.3594906211864E+15

Sphere

Radius = n
Volume 3.7707533366386E+22
Surface area 5.4379624847455E+15
Circumference 130705252.35266

Square

Length = n
Perimeter 83209548
Area 432739304897769
Diagonal 29419017.825134

Cube

Length = n
Surface area 2596435829386614
Volume 9.0020104905944E+21
Space diagonal 36030791.20271

Equilateral Triangle

Length = n
Perimeter 62407161
Area 1.8738161562874E+14
Altitude 18015395.601355

Triangular Pyramid

Length = n
Surface area 1.8738161562874E+14
Volume 1.0608971103686E+21
Height 9806339.2750446